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public SqlExpr createBNodeExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createNumericExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createPointExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createBooleanExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createUriExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createTimeExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createLanguageExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createZonedExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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public SqlExpr createDatatypeExpr(ValueExpr expr) throws UnsupportedRdbmsOperatorException { result = null; if (expr == null) return new SqlNull(); expr.visit(this); if (result == null) return new SqlNull(); return result; }
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SqlExpr isString = eq(arg.clone(), str(XMLSchema.STRING)); return or(isNull(arg.clone()), isString); } public static SqlExpr sqlNull() { return new SqlNull(); }